2-(chloromethyl)-6-methyl-3-pyridinol 、
ethyl 2-[(1-benzylpiperidin-4-yl)amino]-7-methyl-3H-benzimidazole-5-carboxylate 在
potassium carbonate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 12.0h,
以37%的产率得到Ethyl 2-[(1-benzylpiperidin-4-yl)amino]-3-[(3-hydroxy-6-methylpyridin-2-yl)methyl]-7-methylbenzimidazole-5-carboxylate